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	param	t-stat
$ω$	1.2103	10.38
$α$	0.0777	5.20
$β$	0.7777	18.21
$γ_{1}$	-0.0153	-0.50
$γ_{2}$	0.0587	1.10
$γ_{3}$	-0.0963	-2.33
$γ_{4}$	0.1045	3.01
$γ_{5}$	-0.1082	-2.66
$γ_{6}$	0.0865	2.19
$γ_{7}$	-0.0304	-0.70
$γ_{8}$	0.0084	0.18
$γ_{9}$	-0.0091	-0.15

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Casey's General Stores Inc Spline-GARCH Volatility Analysis

Volatility Prediction for Tuesday, February 17th, 2026:27.13% (-0.74%)

Date Range:

Parameter Estimates

News Impact Curve

Volatility Forecasts

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